WO2024096342A1 - 수소저장용 다공성 마그네슘 구조체, 제조 방법 및 수소저장 방법 - Google Patents
수소저장용 다공성 마그네슘 구조체, 제조 방법 및 수소저장 방법 Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen; Reversible storage of hydrogen
- C01B3/0005—Reversible storage of hydrogen, e.g. by hydrogen getters or electrodes
- C01B3/001—Reversible storage of hydrogen, e.g. by hydrogen getters or electrodes characterised by the uptaking media; Treatment thereof
- C01B3/0018—Inorganic elements or compounds, e.g. oxides, nitrides, borohydrides or zeolites; Solutions thereof
- C01B3/0026—Metals or metal hydrides
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/08—Alloys with open or closed pores
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/08—Alloys with open or closed pores
- C22C1/088—Foaming process with solid metal other than by powder metallurgy
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C23/00—Alloys based on magnesium
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
Definitions
- It relates to a porous magnesium structure for hydrogen storage, a manufacturing method thereof, and a hydrogen storage method.
- the currently commercialized hydrogen storage method is a physical storage method that compresses hydrogen at high pressure or stores it at ultra-low temperature.
- physical hydrogen storage methods have problems such as large energy loss during the storage process, low volumetric storage density, and the use of expensive carbon fiber.
- metal hydrides and hydrocarbon compounds are being widely studied as solid hydrogen storage materials with high energy density and high safety.
- their disadvantages are that the required temperature for hydrogen absorption/release is too high or the absorption/release rate is too slow. there is.
- One embodiment provides a porous magnesium structure for hydrogen storage capable of absorbing and releasing hydrogen at a high rate at a low temperature.
- Another embodiment provides an environmentally friendly and simple method of manufacturing the porous magnesium structure for hydrogen storage.
- Another embodiment provides a hydrogen storage method using the porous magnesium structure for hydrogen storage.
- a porous magnesium structure for hydrogen storage which includes a magnesium skeleton and pores, has a three-dimensional porous structure, and the magnesium skeleton has an average thickness of more than 0 nm to 200 nm or less.
- the magnesium skeleton may include a magnesium body and an oxide film located on the surface of the magnesium body.
- the oxide film may include magnesium oxide, and the magnesium oxide may include MgO.
- the magnesium body and the oxide film may have a molar ratio of 1:1 to 1:5.
- the average diameter of the pores may be 20 nm to 200 nm.
- the specific surface area of the porous magnesium structure may be 20 m 2 /g to 40 m 2 /g.
- the porous magnesium structure may have a diffraction peak at 2 ⁇ of 35° to 40° in an XRD pattern.
- It may further include a transition metal located on the surface of the magnesium skeleton, and the transition metal may include a metal with a higher standard reduction potential than magnesium.
- Another embodiment includes manufacturing a porous magnesium structure including a magnesium skeleton and pores by dealloying a magnesium-alkali metal alloy into a solution, wherein the solution is an aromatic compound dissolved in an organic solvent.
- a method for manufacturing a porous magnesium structure for hydrogen storage is provided.
- the aromatic compound may include naphthalene, biphenyl, phenanthrene, anthracene, or a combination thereof.
- the dealloying may be the desorption of an alkali metal from the magnesium-alkali metal alloy.
- the desorbed alkali metal may react with the aromatic compound in the solution to form a by-product.
- the step of mixing the prepared porous magnesium structure and a transition metal-containing precursor to prepare a porous magnesium structure further containing a transition metal may be further included.
- the transition metal-containing precursor may include a transition metal chloride, a transition metal complex, or a combination thereof.
- the transition metal-containing precursor may be mixed in an amount of 1 to 10 parts by weight based on 100 parts by weight of the prepared porous magnesium structure.
- the porous magnesium structure further containing the transition metal may have the transition metal located on the surface of the magnesium skeleton.
- obtaining magnesium hydride by absorbing hydrogen gas into the porous magnesium structure for hydrogen storage; and reversibly releasing hydrogen gas from the magnesium hydride.
- the absorption may be performed at a temperature of 150°C to 200°C.
- the release can be carried out at a temperature of 250°C to 300°C.
- the porous magnesium structure for hydrogen storage can absorb and release hydrogen at a high rate at a low temperature, so it can be usefully used as a hydrogen storage material.
- the porous magnesium structure for hydrogen storage is environmentally friendly and can be manufactured by a simple method, so it can contribute to the acceleration of the advent of the hydrogen economy.
- Figure 1 is a schematic diagram showing a porous magnesium structure for hydrogen storage according to one embodiment.
- Figure 2 is a schematic diagram showing a method of manufacturing a porous magnesium structure for hydrogen storage according to one embodiment.
- Figure 3 is an SEM image of the porous magnesium structure for hydrogen storage according to Example 1.
- Figure 4a is an SEM image of the porous magnesium structure for hydrogen storage according to Example 1
- Figure 4b is an SEM image of the porous magnesium structure for hydrogen storage according to Comparative Example 1.
- Figure 5 is an XRD analysis graph of the porous magnesium structure for hydrogen storage according to Example 1 and Comparative Example 1.
- Figure 6a is an N 2 adsorption curve of the porous magnesium structure for hydrogen storage according to Example 1
- Figure 6b is a pore size distribution curve of the porous magnesium structure for hydrogen storage according to Example 1
- Figure 6c is a pore size distribution curve according to Example 1. This is a BET analysis graph of a porous magnesium structure for hydrogen storage.
- Figure 7a is an XPS analysis graph of the porous magnesium structure for hydrogen storage according to Example 1
- Figure 7b is an XPS analysis graph of the porous magnesium structure for hydrogen storage according to Comparative Example 1.
- Figure 8a is a hydrogen absorption curve of the porous magnesium structure for hydrogen storage according to Example 1 and Comparative Example 1
- Figure 8b is a hydrogen release curve of the porous magnesium structure for hydrogen storage according to Example 1 and Comparative Example 1.
- a part of a layer, membrane, region, plate, etc. is said to be “on” or “on” another part, this includes not only cases where it is “directly above” another part, but also cases where there is another part in between. . Conversely, when a part is said to be “right on top” of another part, it means that there is no other part in between.
- being “on” or “on” a reference part means being located above or below the reference part, and does not necessarily mean being located “above” or “on” the direction opposite to gravity. .
- a porous magnesium structure for hydrogen storage according to one embodiment will be described with reference to FIG. 1.
- Figure 1 is a schematic diagram showing a porous magnesium structure for hydrogen storage according to one embodiment.
- the porous magnesium structure 10 for hydrogen storage has a three-dimensional porous structure and includes a magnesium skeleton 11 and pores 12.
- the magnesium skeleton 11 has an average thickness t of greater than 0 nm and less than or equal to 200 nm.
- the porous magnesium structure 10 for hydrogen storage when storing hydrogen, hydrogen gas quickly diffuses inside through the pores 12 and dissociates from the surface of the magnesium skeleton 11 to form magnesium in the form of hydrogen atoms. It diffuses into the lattice. Accordingly, due to the short diffusion distance of the nanostructured magnesium skeleton 11, that is, the nano-structured crystal structure, hydrogen can be absorbed and released quickly and at a low temperature.
- the porous magnesium structure 10 is manufactured by nanostructuring magnesium itself without using other composite materials, as in the manufacturing method described later, and thus has high energy density.
- the average thickness (t) of the magnesium skeleton 11 may be greater than 0 nm and less than or equal to 200 nm, for example, 1 nm to 200 nm, 1 nm to 150 nm, 1 nm to 100 nm, 1 nm to 50 nm, 1 nm. It may be from 45 nm to 45 nm, from 1 nm to 40 nm, from 5 nm to 35 nm, or from 5 nm to 30 nm.
- the magnesium skeleton 11 has an average thickness (t) within the above range, the diffusion distance of hydrogen atoms within the lattice is reduced during absorption and release of hydrogen, and hydrogen gas is also smoothly diffused through the pores to absorb hydrogen. and release is possible at a rapid rate.
- the magnesium skeleton 11 may include a magnesium body and an oxide film located on the surface of the magnesium body.
- the oxide film may include magnesium oxide.
- Magnesium oxide may include MgO, Mg(OH) 2 or a combination thereof.
- the magnesium body and the oxide film may have a molar ratio of 1:1 to 1:5, for example, 1:1 to 1:4.
- the molar ratio may be measured in an area near the surface of the magnesium skeleton, and specifically may be measured in an area where the depth from the surface of the magnesium skeleton to the inside is 1 nm to 10 nm.
- the average diameter of the pores 12 may be 20 nm to 200 nm, such as 25 nm to 150 nm, 30 nm to 100 nm, 30 nm to 80 nm, 35 nm to 65 nm, 40 nm to 60 nm.
- the average diameter of the pores is within the above range, hydrogen can be absorbed and released at a high rate and at a low temperature due to the short diffusion distance of the nanostructured magnesium skeleton 11.
- the average diameter of the pore means the diameter of the long axis of the pore.
- the specific surface area of the porous magnesium structure 10 may be 20 m 2 /g to 40 m 2 /g, for example, 20 m 2 /g to 30 m 2 /g. If the specific surface area of the porous magnesium structure 10 is within the above range, more magnesium can be exposed to the hydrogen gas phase, enabling absorption and release of hydrogen at a high rate and low temperature, and thus can be usefully used as a hydrogen storage material. there is.
- the porous magnesium structure 10 may have a diffraction peak at 2 ⁇ of 35° to 40°, for example, 2 ⁇ of 36° to 39° in an XRD (X-ray diffraction) pattern.
- the characteristics of the XRD pattern mean that the porous magnesium structure 10 is made of pure magnesium containing almost no impurities.
- the porous magnesium structure 10 When the porous magnesium structure 10 has the above XRD pattern, it can absorb and release hydrogen at a high rate and at a low temperature, so it can be usefully used as a hydrogen storage material.
- the porous magnesium structure 10 may further include a transition metal located on the surface of the magnesium skeleton 11.
- the porous magnesium structure 10 Since transition metals can act as catalysts in hydrogen absorption and release reactions, their introduction into the porous magnesium structure 10 enables absorption and release of hydrogen at a faster rate.
- the porous magnesium structure according to one embodiment is manufactured in a non-corrosive reaction environment as will be described later, and in this environment, it has a metallic magnesium surface that is advantageous for the introduction of transition metals, so it acts as a catalyst in the porous magnesium structure 10. Transition metals can be easily introduced.
- Any metal with a standard reduction potential higher than magnesium can be used as a transition metal.
- it may include Ni, Ti, Co, or a combination thereof, but is not limited thereto.
- the porous magnesium structure 10 is manufactured in a non-corrosive solution, and is specifically manufactured by including the step of dealloying a magnesium-alkali metal alloy into the solution.
- the solution used is an aromatic compound dissolved in an organic solvent.
- Dealloying is the selective desorption of alkali metal from the magnesium-alkali metal alloy, and the remaining magnesium atoms form a nano-sized magnesium skeleton (11) with a nanometer-level thickness and a nanometer-level diameter through a self-assembly process. This means growing into a porous magnesium structure (10) composed of pores (12).
- the synthesis was performed in a non-corrosive solution and succeeded in synthesizing a porous metal structure using magnesium.
- the porous magnesium structure 10 is manufactured by dealloying in a reductive reaction environment in a non-corrosive solution. Since it is manufactured without corrosive substances or electrochemical equipment commonly used to cause dealloying, it is environmentally friendly and can be manufactured through a simple process, thereby contributing to the acceleration of the advent of the hydrogen economy.
- the transition metal which acts as a catalyst for the hydrogen absorption and release reaction, cannot be introduced in a corrosive environment, whereas the transition metal is not desorbed in a reductive reaction environment in a non-corrosive solution according to one embodiment, so the same process is performed without an additional process.
- a transition metal can be introduced into the porous magnesium structure 10. Therefore, the porous magnesium structure 10 into which the transition metal is introduced can further accelerate the absorption and release of hydrogen.
- the alkali metal includes, for example, Li, Na, K, etc., but is not limited thereto.
- the aromatic compound may be, for example, a compound having two or more aromatic rings.
- the aromatic compound may include, for example, naphthalene, biphenyl, phenanthrene, anthracene, or a combination thereof, but is not limited thereto.
- the organic solvent can be used without particular limitation as long as it is a solvent that can dissolve the aromatic compound.
- organic solvents include tetrahydrofuran (THF), diethylether, hexamethylphosphoramide (HMPA), and 1.2-dimethoxyethane.
- Alkali metals released through dealloying may react with aromatic compounds in the solution to form by-products.
- the formed by-product may serve as a reducing agent to protect the porous magnesium structure 10 from oxidation.
- the by-product can be additionally used as a reducing agent in processes such as synthesis of nanoparticles.
- FIG. 2 is a specific example to aid explanation, and the method of manufacturing a porous magnesium structure according to one embodiment is not limited thereto.
- Figure 2 is a schematic diagram showing a method of manufacturing a porous magnesium structure for hydrogen storage according to one embodiment.
- the porous magnesium structure 10 is desorbed by adding a magnesium-lithium alloy processed into a chunk shape of 1 mm to 5 mm in size into a solution in which naphthalene is dissolved in a THF solvent. It can be manufactured by alloying. Specifically, only lithium inside the crystal of the magnesium-lithium alloy is selectively desorbed, and the remaining magnesium atoms grow into a nano-sized porous magnesium structure 10 through a self-assembly process. At this time, the desorbed lithium may react with naphthalene to form lithium naphthalenide. The formed lithium naphthalenide may serve as a reducing agent to protect the porous magnesium structure 10 from oxidation.
- the reaction between the magnesium-lithium alloy and the solution may be carried out for 2 to 14 days.
- a porous magnesium structure consisting of a magnesium skeleton having an average thickness in a predetermined range and pores having an average diameter in a predetermined range according to one embodiment can be manufactured.
- the porous magnesium structure may be manufactured by dealloying as described above, and then an additional step of mixing the prepared porous magnesium structure 10 and the transition metal-containing precursor may be performed.
- an additional step of mixing the prepared porous magnesium structure 10 and the transition metal-containing precursor may be performed.
- the transition metal-containing precursor may include a transition metal chloride, a transition metal complex, or a combination thereof.
- the transition metal may include Ni, Ti, Co, or a combination thereof.
- a transition metal complex may be a compound in which a ligand such as cyclopentadiene forms a strong bond with a central metal.
- the transition metal-containing precursor may be mixed in an amount of 1 to 10 parts by weight, for example, 2 to 9 parts by weight, based on 100 parts by weight of the porous magnesium structure prepared by dealloying in the previous step.
- the transition metal-containing precursor is mixed within the above range, the transition metal can be stably introduced into the porous magnesium structure without being desorbed, and thus a porous magnesium structure capable of absorbing and releasing hydrogen at a faster rate can be secured.
- the porous magnesium structure further containing a transition metal manufactured by the above-described method, specifically includes a magnesium skeleton 11 and pores 12, and has a structure in which the transition metal is located on the surface of the magnesium skeleton 11. You can have it.
- the porous magnesium structure according to one embodiment is manufactured through a solution phase reaction at room temperature, so it can be easily mass-produced, and mass production is also easy.
- dealloying can be easily caused by adding a magnesium-alkali metal alloy to a solution and stirring it, so the manufacturing method is easy and simple.
- the hydrogen storage method is performed by absorbing hydrogen into the above-described porous magnesium structure 10 and reversibly releasing it. Specifically, when hydrogen gas is added to the above-described porous magnesium structure 10 at a predetermined temperature, hydrogen is absorbed and magnesium hydride is obtained. Then, when the temperature is raised and hydrogen gas is removed, hydrogen gas is reversibly generated from the magnesium hydride. It can be carried out as a release process.
- the absorption of hydrogen gas can be carried out at a temperature of 150°C to 200°C, for example at a temperature of 160°C to 190°C.
- the evolution of hydrogen gas can be carried out at a temperature of 250°C to 300°C, for example at a temperature of 260°C to 290°C. Since hydrogen can be absorbed and released at a high rate even at low temperatures such as the above temperature range, the porous magnesium structure according to one embodiment can be usefully used as a hydrogen storage material.
- the porous magnesium structure according to one embodiment is capable of absorbing and releasing about 5% of hydrogen based on the total weight of the porous magnesium structure within 40 minutes.
- Mg-Li alloy (Mg 15 Li 85 , Niva Corporation) was dealloyed by adding 0.16 M of naphthalene per 100 mg of the alloy to 110 mL of a solution of 0.16 M of naphthalene dissolved in tetrahydrofuran (THF) solvent, stirring, and reacting for 5 days. A porous magnesium structure was prepared.
- a porous magnesium structure was prepared by placing an Mg-Li alloy foil as an anode and a Li foil as a cathode and applying a voltage of 1.5 V to dealloy it using an electrochemical method. Specifically, when voltage is applied, Li is selectively removed from the Mg-Li alloy at the anode to create a porous magnesium structure, and at the cathode, the removed Li grows into a dendrite.
- Figure 3 is a SEM (scanning electron microscope) image of the porous magnesium structure for hydrogen storage according to Example 1.
- the porous magnesium structure includes a magnesium skeleton and pores and has a three-dimensional porous structure, and the average thickness of the magnesium skeleton is 50 nm or less.
- Figure 4a is an SEM image of the porous magnesium structure for hydrogen storage according to Example 1
- Figure 4b is an SEM image of the porous magnesium structure for hydrogen storage according to Comparative Example 1.
- the porous magnesium structure according to Example 1 has both the magnesium skeleton and the pore size at the nano level, while in the case of Comparative Example 1, the pores are very large outside the nano level and the pore size is small. You can see that the deviation is also very large.
- Figure 5 is an XRD analysis graph of the porous magnesium structure for hydrogen storage according to Example 1 and Comparative Example 1.
- the porous magnesium structure according to one embodiment can be seen to have a diffraction peak at 2 ⁇ of 35° to 40° in the XRD pattern, indicating that the crystal structure of Mg is well formed.
- the specific surface area of the porous magnesium structure according to Example 1 was measured using the Brunauer-Emmett-Teller (BET) method, and the results are shown in FIGS. 6A to 6C.
- BET Brunauer-Emmett-Teller
- Figure 6a is an N 2 adsorption curve of the porous magnesium structure for hydrogen storage according to Example 1
- Figure 6b is a pore size distribution curve of the porous magnesium structure for hydrogen storage according to Example 1
- Figure 6c is a pore size distribution curve according to Example 1. This is a BET analysis graph of a porous magnesium structure for hydrogen storage.
- the porous magnesium structure has a specific surface area in the range of 20 m 2 /g to 40 m 2 /g, thereby enabling absorption and release of hydrogen at a rapid rate and at a low temperature. Able to know.
- Figure 7a is an XPS analysis graph of the porous magnesium structure for hydrogen storage according to Example 1
- Figure 7b is an XPS analysis graph of the porous magnesium structure for hydrogen storage according to Comparative Example 1.
- the porous magnesium structure according to one embodiment includes both a magnesium body and an oxide film located on its surface.
- the molar ratio of the magnesium body to the oxide film in the region where the depth from the surface of the magnesium skeleton to the inside is 1 nm to 10 nm is about 1:2, and is 1:1 to 1 according to one embodiment. It can be seen that the molar ratio is within the range of :5.
- the molar ratio between the magnesium body and the oxide film was shown to be approximately 1:6. From this, it can be seen that the porous magnesium structure according to one embodiment has a relatively thin oxide film, and accordingly, it can be expected that hydrogen can be absorbed and released at a high rate at a low temperature.
- Figure 8a is a hydrogen absorption curve of the porous magnesium structure for hydrogen storage according to Example 1 and Comparative Example 1
- Figure 8b is a hydrogen release curve of the porous magnesium structure for hydrogen storage according to Example 1 and Comparative Example 1.
- the porous magnesium structure according to Example 1 can both absorb and release hydrogen at a faster rate compared to Comparative Example 1.
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Abstract
Description
Claims (20)
- 마그네슘 골격체 및 기공을 포함하고,3차원 다공성 구조를 가지며,상기 마그네슘 골격체의 평균 두께는 0 nm 초과 내지 200 nm 이하인 수소저장용 다공성 마그네슘 구조체.
- 제1항에서,상기 마그네슘 골격체는 마그네슘 바디 및 상기 마그네슘 바디의 표면에 위치하는 산화막을 포함하는 수소저장용 다공성 마그네슘 구조체.
- 제2항에서,상기 산화막은 마그네슘 산화물을 포함하고,상기 마그네슘 산화물은 MgO를 포함하는 수소저장용 다공성 마그네슘 구조체.
- 제2항에서,상기 마그네슘 바디 및 상기 산화막은 1:1 내지 1:5의 몰비를 갖는 수소저장용 다공성 마그네슘 구조체.
- 제1항에서,상기 기공의 평균 직경은 20 nm 내지 200 nm인 수소저장용 다공성 마그네슘 구조체.
- 제1항에서,상기 다공성 마그네슘 구조체의 비표면적은 30 m2/g 내지 40 m2/g인 수소저장용 다공성 마그네슘 구조체.
- 제1항에서,상기 다공성 마그네슘 구조체는 XRD 패턴에서 35° 내지 40°의 2θ에서 회절 피크를 갖는 수소저장용 다공성 마그네슘 구조체.
- 제1항에서,상기 마그네슘 골격체의 표면에 위치하는 전이금속을 더 포함하는 수소저장용 다공성 마그네슘 구조체.
- 제8항에서,상기 전이금속은 마그네슘보다 표준환원전위가 높은 금속을 포함하는 수소저장용 다공성 마그네슘 구조체.
- 마그네슘-알칼리금속 합금을 용액에 투입하여 탈합금화함으로써 마그네슘 골격체 및 기공을 포함하는 다공성 마그네슘 구조체를 제조하는 단계를 포함하고,상기 용액은 방향족 화합물이 유기용매에 용해된 것인 수소저장용 다공성 마그네슘 구조체의 제조 방법.
- 제10항에서,상기 방향족 화합물은 나프탈렌(naphthalene), 비페닐(biphenyl), 페난트렌(phenanthrene), 안트라센(anthracene) 또는 이들의 조합을 포함하는 수소저장용 다공성 마그네슘 구조체의 제조 방법.
- 제10항에서,상기 탈합금화는 상기 마그네슘-알칼리금속 합금으로부터 알칼리금속이 탈리되는 것인 수소저장용 다공성 마그네슘 구조체의 제조 방법.
- 제12항에서,상기 탈리된 알칼리금속은 상기 용액 내의 방향족 화합물과 반응하여 부산물을 형성하는 수소저장용 다공성 마그네슘 구조체의 제조 방법.
- 제10항에서,상기 다공성 마그네슘 구조체를 제조하는 단계 이후,상기 제조된 다공성 마그네슘 구조체와 전이금속 함유 전구체를 혼합하여, 전이금속을 더 포함하는 다공성 마그네슘 구조체를 제조하는 단계를 더 포함하는 수소저장용 다공성 마그네슘 구조체의 제조 방법.
- 제14항에서,상기 전이금속 함유 전구체는 전이금속의 염화물, 전이금속의 착화합물 또는 이들의 조합을 포함하는 수소저장용 다공성 마그네슘 구조체의 제조 방법.
- 제14항에서,상기 전이금속 함유 전구체는 상기 제조된 다공성 마그네슘 구조체 100 중량부에 대하여 1 중량부 내지 10 중량부로 혼합되는 수소저장용 다공성 마그네슘 구조체의 제조 방법.
- 제14항에서,상기 전이금속을 더 포함하는 다공성 마그네슘 구조체는 상기 마그네슘 골격체의 표면에 전이금속이 위치하는 것인 수소저장용 다공성 마그네슘 구조체의 제조 방법.
- 제1항 내지 제9항 중 어느 한 항의 수소저장용 다공성 마그네슘 구조체에 수소 기체를 흡수시켜 마그네슘 수소화물을 얻는 단계; 및상기 마그네슘 수소화물로부터 가역적으로 수소 기체를 방출하는 단계를 포함하는 수소저장 방법.
- 제18항에서,상기 흡수는 150℃ 내지 200℃의 온도에서 수행되는 수소저장 방법.
- 제18항에서,상기 방출은 250℃ 내지 300℃의 온도에서 수행되는 수소저장 방법.
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| CN202380050880.0A CN119816609A (zh) | 2022-11-04 | 2023-10-04 | 用于储存氢的多孔镁结构、其制造方法以及用于储存氢的方法 |
| JP2024577416A JP2025524789A (ja) | 2022-11-04 | 2023-10-04 | 水素貯蔵用多孔質マグネシウム構造体、製造方法及び水素貯蔵方法 |
| DE112023002343.3T DE112023002343T5 (de) | 2022-11-04 | 2023-10-04 | Poröse magnesiumstruktur zur speicherung von wasserstoff, verfahren zu deren herstellung und verfahren zur speicherung von wasserstoff |
| US18/880,521 US20250388463A1 (en) | 2022-11-04 | 2023-10-04 | Porous magnesium structure for storing hydrogen, method for manufacturing same, and method for storing hydrogen |
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| KR1020230121330A KR20240066059A (ko) | 2022-11-04 | 2023-09-12 | 수소저장용 다공성 마그네슘 구조체, 제조 방법 및 수소저장 방법 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100811116B1 (ko) * | 2006-11-14 | 2008-03-06 | 한국과학기술연구원 | 마그네슘계 수소저장재료의 제조방법 |
| WO2009101394A2 (en) * | 2008-02-14 | 2009-08-20 | Ceram Research Limited | High surface area metal production |
| JP2011202230A (ja) * | 2010-03-25 | 2011-10-13 | Tokyo Metropolitan Univ | 金属多孔質膜の製造方法および金属多孔質膜 |
| CN113846235A (zh) * | 2021-11-16 | 2021-12-28 | 中国科学院化学研究所 | 一种锂离子电池中锂的闭环回收再利用方法 |
| KR102389205B1 (ko) * | 2020-11-13 | 2022-04-21 | 한국과학기술원 | 마그네슘 나노시트, 및 이를 포함하는 수소 저장 장치 |
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| JP2002105576A (ja) * | 2000-09-29 | 2002-04-10 | Univ Hiroshima | 水素吸蔵積層構造体 |
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- 2023-10-04 US US18/880,521 patent/US20250388463A1/en active Pending
- 2023-10-04 WO PCT/KR2023/015204 patent/WO2024096342A1/ko not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100811116B1 (ko) * | 2006-11-14 | 2008-03-06 | 한국과학기술연구원 | 마그네슘계 수소저장재료의 제조방법 |
| WO2009101394A2 (en) * | 2008-02-14 | 2009-08-20 | Ceram Research Limited | High surface area metal production |
| JP2011202230A (ja) * | 2010-03-25 | 2011-10-13 | Tokyo Metropolitan Univ | 金属多孔質膜の製造方法および金属多孔質膜 |
| KR102389205B1 (ko) * | 2020-11-13 | 2022-04-21 | 한국과학기술원 | 마그네슘 나노시트, 및 이를 포함하는 수소 저장 장치 |
| CN113846235A (zh) * | 2021-11-16 | 2021-12-28 | 中国科学院化学研究所 | 一种锂离子电池中锂的闭环回收再利用方法 |
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| CN119816609A (zh) | 2025-04-11 |
| DE112023002343T5 (de) | 2025-02-27 |
| US20250388463A1 (en) | 2025-12-25 |
| JP2025524789A (ja) | 2025-08-01 |
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